Counterbalance device for laser knife

Details Counterbalance device for laser knife Counterbalance device for laser knife

1980-01-07

1982-11-16

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

414917, 414 1, 2482801, 1283031, A61B 1736

Patent

active

043593089

ABSTRACT:
A counterbalance device for operation with the manipulator of a laser knife in which the moment of the knife is maintained in a balanced state over the entire range of movement of the knife so that the movement of the knife is smooth over its entire range and its operability highly increased. A counterbalance device of the invention is coupled to the manipulator at a fulcrum point. The centers of gravity of the manipulator and counterbalance device are in the same vertical plane. The center of gravity of the counterbalance device is moved in parallel with the movement of the center of gravity of the manipulator. In preferred embodiments, the counterbalance device includes arm sections which are geometrically similar to the arm structure of the manipulator device. A rotatable arm of the counterbalance device is coupled through rotatable links to the corresponding rotatable arm of the manipulator so as to maintain dynamical balance.

REFERENCES:
patent: 3489384 (1970-01-01), Perbal
patent: 3528424 (1970-09-01), Ayres
patent: 3913582 (1975-10-01), Sharon
patent: 3994464 (1976-11-01), Perbal
patent: 4241891 (1980-12-01), Rudolph

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